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Diffstat (limited to 'source/blender/freestyle/intern/view_map/OccluderSource.h')
-rw-r--r-- | source/blender/freestyle/intern/view_map/OccluderSource.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/source/blender/freestyle/intern/view_map/OccluderSource.h b/source/blender/freestyle/intern/view_map/OccluderSource.h new file mode 100644 index 00000000000..14f8f54fa1a --- /dev/null +++ b/source/blender/freestyle/intern/view_map/OccluderSource.h @@ -0,0 +1,76 @@ +/* + * ***** BEGIN GPL LICENSE BLOCK ***** + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * The Original Code is Copyright (C) 2010 Blender Foundation. + * All rights reserved. + * + * The Original Code is: all of this file. + * + * Contributor(s): none yet. + * + * ***** END GPL LICENSE BLOCK ***** + */ + +#ifndef __FREESTYLE_OCCLUDER_SOURCE_H__ +#define __FREESTYLE_OCCLUDER_SOURCE_H__ + +/** \file blender/freestyle/intern/view_map/OccluderSource.h + * \ingroup freestyle + * \brief Class to define a cell grid surrounding the projected image of a scene + * \author Alexander Beels + * \date 2010-12-21 + */ + +#include "../geometry/GridHelpers.h" + +#include "../winged_edge/WEdge.h" + +class OccluderSource +{ + // Disallow copying and assignment + OccluderSource(const OccluderSource& other); + OccluderSource& operator=(const OccluderSource& other); + +public: + OccluderSource(const GridHelpers::Transform& transform, WingedEdge& we); + virtual ~OccluderSource(); + + void begin(); + virtual bool next(); + bool isValid(); + + WFace *getWFace(); + Polygon3r getCameraSpacePolygon(); + Polygon3r& getGridSpacePolygon(); + + virtual void getOccluderProscenium(real proscenium[4]); + virtual real averageOccluderArea(); + +protected: + WingedEdge& wingedEdge; + vector<WShape*>::const_iterator currentShape, shapesEnd; + vector<WFace*>::const_iterator currentFace, facesEnd; + + bool valid; + + Polygon3r cachedPolygon; + const GridHelpers::Transform& transform; + + void buildCachedPolygon(); +}; + +#endif // __FREESTYLE_OCCLUDER_SOURCE_H__ |